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Bharat energy launches world’s first thermal battery plant in Amrawati (AP)

Young Bites. Dated: 8/9/2018 8:51:21 AM

VK Gupta
Jammu, Aug 8
The world’s first-ever thermal battery plant owned by Bharat Energy Storage Technology Private Limited (BEST) was inaugurated in Amravati, Andhra Pradesh. This plant aims to create new energy storage form that is expected to have commercial applications, while also maintain low carbon footprint and less dependent on external factors like weather.
Thermal battery use thermal energy to operate energy created by temperature differences. The energy transfer in this battery helps to store heat when heat travels from one part of battery setup to other. For this transmission, thermal battery consists of two parts viz. cool zone (sink) and hot source.
Both these sides consist of compounds known as phase-changing materials (PCMs), which can change their state of matter on basis of physical and chemical reaction. When sink of thermal battery receives heat, it transforms physically or chemically, thereby storing energy, while source cools down.
During operation, sink is cooled down, so it releases stored energy, while source heats up. Depending on nature of battery, system can derive heat from any source, which makes thermal battery very versatile. For power transmission, thermal batteries can function as long as there is heat source.
The plant will begin its commercial operations from May 2019. BEST is planning to create a battery capacity of 1000MW. This is expected to be upgraded to a 10GW capacity by 2025. The thermal battery is based on alternative sources of energy production, and its presence is expected to reduce dependence on fossil fuels. It provide energy solutions for electrical grids, transport and telecom services. Before we look at its applications, here is a lowdown on the science behind thermal battery technology. This plant is based on technology patented in India by Dr Patrick Glynn in 2016.


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